令 f(x)=x^3-x-1 ,则 f(0)= -10 ,(0+2)/2=1 ,f(1)= -10 ,(1+1.5)/2=1.25 ,f(1.25)= -0.2970 ,(1.25+1.375)/2=1.3125 ,f(1.3125)= -0.050 ,(1.3125+1.34375)/2=1.328125 ,f(1.328125)=0.01>0 ,因此解约为 x=(1.3125+1...